Optimus privately told Ratchet how it felt when he bonded to the Matrix. No one else knew. And when he asked Rodimus how it felt, this was his response:
Optimus lied and basically said “Oh same”
And then, YEARS later, in the Optimus Prime comics, Pyra Magna, leader of the Torchbearers of Caminus, says this:
Meanwhile, on Necroworld:
I don’t know about you guys, but I don’t think Optimus Prime is “The Arisen”, “The True Prime”.
Jab loves robots 